Confirmation of SRGt 062340.2-265751 as a nova-like cataclysmic variable with a possible magnetic nature

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Table 4.

Best-fitting parameters for the four eROSITA epochs using the TBabs*apec model, and from the simultaneous fit to all XMM-Newton spectra using the TBabs*(apec+apec+apec) model.

Parameter		eRASS1	eRASS2	eRASS3	eRASS4	XMM-Newton
N_H	[10²⁰ cm⁻²]	3.4 (fixed)	3.4 (fixed)	3.4 (fixed)	3.4 (fixed)	$3 . 4_{- 0.2}^{+ 0.3}$ $3.4^{+0.3}_{-0.2}$
kT₁	[keV]	$2 . 3_{- 0.5}^{+ 2.1}$ $2.3^{+2.1}_{-0.5}$	$13_{- 5}^{+ 29}$ $13^{+29}_{-5}$	$9_{- 3}^{+ 14}$ $9^{+14}_{-3}$	$4 . 8_{- 0.9}^{+ 1.3}$ $4.8^{+1.3}_{-0.9}$	0.23 ± 0.01
kT₂	[keV]	–	–	–	–	$0 . 94_{- 0.02}^{+ 0.01}$ $0.94^{+0.01}_{-0.02}$
kT₃	[keV]	–	–	–	–	5.2 ± 0.1
$χ_{ν}^{2} (ν)$ $\chi^{2}_{\nu}(\nu)$ ^(a)		117.51(127)	0.88(22)	0.94(26)	0.83(16)	1.35(532)
Flux_{0.2 − 12 keV}^(b)	[10⁻¹² erg cm⁻² s⁻¹]	2.0 ± 0.2	17.4 ± 0.7	13.8 ± 0.5	6.1 ± 0.3	3.13 ± 0.01
Luminosity_{0.2 − 12 keV}^(c)	[10³² erg s⁻¹]	0.59 ± 0.05	5.1 ± 0.2	4.1 ± 0.2	1.79 ± 0.09	0.92 ± 0.02
Luminosity_{0.25 − 10 keV}^(c)	[10³² erg s⁻¹]	0.57 ± 0.05	4.7 ± 0.2	3.8 ± 0.2	1.71 ± 0.09	0.88 ± 0.01
Luminosity_{0.01 − 100 keV}^(c)	[10³² erg s⁻¹]	0.63 ± 0.06	5.3 ± 0.2	4.2 ± 0.2	1.9 ± 0.1	1.05 ± 0.02

Notes. Uncertainties are given at the 1σ confidence levels.

^(a)

For eRASS1, the value corresponds to the C-statistic (d.o.f).

^(b)

Unabsorbed fluxes.

^(c)

Unabsorbed luminosities were estimated assuming a distance of 496 ± 4 pc.

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